package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;
@Configuration
public class MyRabbitConfig {
    /**
     * 使用json序列化，进行消息转换
     * @return
     */
    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }
    //@RabbitListener(queues = "stock.release.stock.queue")
    public void handle(Message message){
        System.err.println("MyRabbitConfig:"+message);
    }
    @Bean
    public Exchange stockEventExchange(){
        return  new TopicExchange("stock-event-exchange",true,false);
    }
    @Bean
    public Queue stockReleaseStockQueue(){
        return new Queue("stock.release.stock.queue",true,false,false);
    }
    @Bean
    public Queue stockDelay(){
        /**
         * x-dead-letter-exchange", "order-event-exchange"
         * "x-dead-letter-routing-key", "order.release.order"
         * "x-message-ttl
         */
        Map<String,Object> args= new HashMap<>();
        args.put("x-dead-letter-exchange","stock-event-exchange");
        args.put("x-dead-letter-routing-key","stock.release");
        args.put("x-message-ttl",120000);
        return new Queue("stock.delay.queue",true,false,false,args);
    }
    @Bean
    public Binding stockReleaseBinding(){
        /**
         * String destination, Binding.DestinationType destinationType,
         * String exchange, String routingKey, Map<String, Object> arguments
         */
        return   new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",null);
    }
    @Bean
    public Binding stockLockedBinding(){
        /**
         * String destination, Binding.DestinationType destinationType,
         * String exchange, String routingKey, Map<String, Object> arguments
         */
        return   new Binding("stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.locked",null);
    }
}
